quickHiCol.tcl

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###############################################################################
# Copyright (c) 2007-2024 by Altair Engineering, Inc.
# All rights reserved.
#
# Altair Engineering, Inc. makes this software available as part of the Vision
# tool platform.  As long as you are a licensee of the Vision tool platform
# you may make copies of the software and modify it to be used within the
# Vision tool platform, but you must include all of this notice on any copy.
# Redistribution without written permission to any third party, with or
# without modification, is not permitted.
# Altair Engineering, Inc. does not warrant that this software is error free
# or fit for any purpose.  Altair Engineering, Inc. disclaims any liability for
# all claims, expenses, losses, damages and costs any user may incur as a
# result of using, copying or modifying the software.
# =============================================================================
#   @userware
#       Quick Highlight Color Change
#   @section
#       GUI Specific Userware Examples
#   @description
#       Show all highlight colors below the Console window. From there the
#       user can select his favorite color. The visibility of the widget can be
#       toggled from the Userware menu.
#   @files
#       quickHiCol.tcl
#   @tag
#       gui
###############################################################################


# =============================================================================
# CreateQuickCol - Create a small toplevel widget which allows you to select a
#                  highlight color.
# =============================================================================
#
proc CreateQuickCol {c} {
    global Settings Global

    canvas $c -takefocus 0 -highlightthickness 0
    set space 5
    set x 5
    set y 5
    set w 20
    set h 20
    for {set i 0} {$i < $Global(hiColorMax)} {incr i} {
        set fg [gui settings get "color:objectHighlight$i"]
        $c create rectangle $x $y [incr x $w] [expr {$y + $h}] -fill $fg \
            -outline black -width 1 -tags col$i
        incr x $space
        $c bind col$i <ButtonRelease-1> [list selectHiCol $c $i true]
    }
    set bbox [$c bbox all]
    $c configure -width  [lindex $bbox 2]
    $c configure -height [lindex $bbox 3]
    selectHiCol $c [gui settings get "hiColor"] false
    set key "hiColor"
    trace add variable Settings($key) write [list traceHiCol $c]
}


# -----------------------------------------------------------------------------
# traceHiCol -
# -----------------------------------------------------------------------------
#
proc traceHiCol {w name1 name2 ops} {
    global Global

    for {set i 0} {$i < $Global(hiColorMax)} {incr i} {
        if {$i == [gui settings get "hiColor"]} {
            $w itemconfigure col$i -width 2
        } else                       {
            $w itemconfigure col$i -width 1
        }
    }
}


# -----------------------------------------------------------------------------
# selectHiCol - Change the global settings for highlight and show visual
#               feedback.
# -----------------------------------------------------------------------------
#
proc selectHiCol {w col interactive} {
    global Global

    gui settings set "hiColor" $col
    for {set i 0} {$i < $Global(hiColorMax)} {incr i} {
        if {$i == $col} {
            $w itemconfigure col$i -width 2
        } else          {
            $w itemconfigure col$i -width 1
        }
    }
    if {$interactive} {
        focus [gui schem nlv]
    }
}


# -----------------------------------------------------------------------------
# toggleQuickHil -
# -----------------------------------------------------------------------------
#
proc toggleQuickHil {c} {
    global quickhil

    if {$quickhil} {
        grid $c -row 7 -column 0
    } else {
        grid forget $c
    }
}


##
#
#
set quickhil 1
CreateQuickCol .quickHiCol
gui menu checkbutton {"Userware" "_Show Quick Highlight"} \
        {toggleQuickHil .quickHiCol} \
        quickhil
toggleQuickHil .quickHiCol